£¨10·Ö£©Ä³Ì½¾¿ÐÔѧϰС×éÓû̽¾¿¹â»¬Ð±ÃæÉÏÎïÌåµÄ¼ÓËÙ¶ÈÓëÎïÌåÖÊÁ¿¼°Ð±ÃæÇã½ÇÊÇ·ñ Óйء£ÊµÑéÊÒÌṩÈçÏÂÆ÷²Ä£º

A£®±íÃæ¹â»¬µÄ³¤Ä¾°å£¨³¤¶ÈΪL£© 
B£®Ð¡³µ 
C£®ÖÊÁ¿ÎªmµÄ¹³ÂëÈô¸É¸ö 
D£®·½Ä¾¿é£¨±¸Óõæľ°å£© 
E£®Ã׳ß
F£®Ãë±í
ʵÑé¹ý³Ì£º
µÚÒ»²½£¬ÔÚ±£³ÖбÃæÇã½Ç²»±äʱ£¬Ì½¾¿¼ÓËÙ¶ÈÓëÖÊÁ¿µÄ¹Øϵ¡£
ʵÑéÖУ¬Í¨¹ýÏòС³µ·ÅÈë¹³ÂëÀ´¸Ä±äÎïÌåÖÊÁ¿£¬Ö»Òª²â³öС³µÓÉб¶ø¶¥¶Ë»¬ÖÁµ×¶ËËùÓÃʱ¼ät£¬¾Í¿ÉÒÔÓɹ«Ê½a£½________Çó³öa¡£Ä³Í¬Ñ§¼Ç¼ÁËÊý¾ÝÈç±íËùʾ£º

¸ù¾ÝÒÔÉÏÐÅÏ¢£¬ÎÒÃÇ·¢ÏÖ£¬ÔÚʵÑéÎó²î·¶Î§ÄÚÖÊÁ¿¸Ä±äÖ®ºóƽ¾ùÏ»¬Ê±¼ä________£¨Ìî¡°¸Ä±ä¡±»ò¡°²»¸Ä±ä¡±£©£¬¾­¹ý·ÖÎöµÃ³ö¼ÓËÙ¶ÈÓëÖÊÁ¿µÄ¹ØϵΪ_______________¡£
µÚ¶þ²½£¬ÔÚÎïÌåÖÊÁ¿²»±äʱ£¬Ì½¾¿¼ÓËÙ¶ÈÓëÇã½ÇµÄ¹Øϵ¡£
ʵÑéÖÐͨ¹ý¸Ä±ä·½Ä¾¿éµæ·ÅλÖÃÀ´µ÷Õû³¤Ä¾°åµÄÇã½Ç£¬ÓÉÓÚûÓÐÁ¿½ÇÆ÷£¬Òò´Ëͨ¹ý²âÁ¿³öľ°å¶¥¶Ëµ½Ë®Æ½Ãæ¸ß¶Èh£¬Çó³öÇã½Ç¦ÁµÄÕýÏÒÖµsin¦Á£½¡£Ä³Í¬Ñ§¼Ç¼Á˸߶ȺͼÓËٶȵĶÔÓ¦Öµ£¬²¢ÔÚ×ø±êÖ½ÉϽ¨Á¢Êʵ±µÄ×ø±êÖáºóÃèµã×÷ͼÈçÏ£¬Çë¸ù¾ÝËûËù×÷µÄͼÏßÇó³öµ±µØµÄÖØÁ¦¼ÓËÙ¶Èg£½________m£¯s2¡£½øÒ»²½·ÖÎö¿ÉÖª£¬¹â»¬Ð±ÃæÉÏÎïÌåÏ»¬µÄ¼ÓËÙ¶ÈÓëÇã½ÇµÄ¹ØϵΪ________________¡£

½â£º  ²»¸Ä±ä  Ð±ÃæÇã½ÇÒ»¶¨Ê±£¬¼ÓËÙ¶ÈÓëÎïÌåÖÊÁ¿Î޹ؠ 10   a=gsin¦Á

½âÎöÊÔÌâ·ÖÎö£ºµÚÒ»²½ÖУº¸ù¾Ý£¬ÇóµÃ¼ÓËٶȣ¬¸Ä±äÖÊÁ¿ºóÓÉÓÚ¼ÓËٶȲ»¸Ä±ä£¬Òò´ËÔ˶¯Ê±¼ä²»»á¸Ä±ä£¬Òò´Ë¿ÉÒԵóö½áÂÛ£ºÐ±ÃæÇã½ÇÒ»¶¨Ê±£¬¼ÓËÙ¶ÈÓëÎïÌåÖÊÁ¿ÎÞ¹Ø
µÚÒ»²½ÖУº´ÓͼÏóÍÆË㵱ʱ£¬ÎïÌå¾Í×ö×ÔÓÉÂäÌåÔ˶¯£¬¼ÓËٶȾÍÊÇÖØÁ¦¼ÓËٶȣ¬¿ÉÒÔ¿´³ö£»¼ÓËÙ¶ÈÓëб½ÇÕýÏÒÖµÖ®±ÈµÈÓÚg£¬Òò´Ë¿ÉÒԵóö£º
¿¼µã£º²âÔȱäËÙÖ±ÏßÔ˶¯µÄ¼ÓËÙ¶È

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨6·Ö£©ÎªÁ˶¨ÐÔÑо¿×èÁ¦£¨Ä¦²Á×èÁ¦ºÍ¿ÕÆø×èÁ¦£©ÓëËٶȵĹØϵ£¬Ä³Í¬Ñ§Éè¼ÆÁËÈçͼËùʾµÄʵÑé¡£½Óͨ´òµã¼ÆʱÆ÷£¬½«Ë¨ÓнðÊôСÇòµÄϸÏßÀ­ÀëÊúÖ±·½ÏòÒ»¸ö½Ç¶ÈºóÊÍ·Å£¬
  
СÇòײ»÷¹Ì¶¨ÔÚС³µÓҶ˵ĵµ°å£¬Ê¹Ð¡³µºÍµµ°åÒ»ÆðÔ˶¯£¬´òµã¼ÆʱÆ÷ÔÚÖ½´øÉÏ´òÏÂÁËһϵÁеĵ㣬Óÿ̶ȳ߲â³öÏàÁÚÁ½µã¼äµÄ¾àÀ룬¿ÉÒÔÅжÏС³µÁ¦ÊܵÄ×èÁ¦ËæËٶȵļõС¶ø          £¨Ìî¡°Ôö´ó¡±»ò¡°¼õС¡±»ò¡°²»±ä¡±£©ÅжϵÄÒÀ¾ÝÊÇ           ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

(12·Ö)ijÑо¿ÐÔѧϰС×éµÄͬѧÓðÅÀÖ×ö³ÉË®¹ûµç³Ø,²¢Éè¼ÆÁË Ò»¸öÈçͼËùʾµÄµç·À´²â¶¨¸ÃË®¹ûµç³ØµÄµç¶¯ÊƺÍÄÚµç×衣ʵÑéÖмǼϵç×èÏäµÄµç×èÖµºÍ¶ÔÓ¦µçÁ÷¼ÆʾÊý,½«Êý¾ÝÌîÔÚÈçϵıí¸ñÖС£ÒÑÖªµçÁ÷¼ÆÄÚ×èΪRg=500¦¸
     
¢Ù¼×¡¢ÒÒÁ½Í¬Ñ§ÀûÓÃͼÏó·¨´¦ÀíʵÑéÊý¾Ý¡£¼×ͬѧ×÷³öµÄͼÏóÈçͼAËùʾ£¬ÒÒͬѧ×÷³öµÄͼÏóÈçͼBËùʾ£¬ÄãÈÏΪÄĸöͬѧ×÷µÄͼÏó¶Ô±¾ÎÊÌâµÄÑо¿¸ü¿Æѧ_______(Ìî¡°A¡±»ò¡°B¡±£©£¬ÆäÀíÓÉÊÇ:______¡£

¢ÚÀûÓÃÄãÈÏΪ¿ÆѧµÄͼÏ󣬵óö¸ÃË®¹ûµç³ØµÄµç ¶¯ÊÆΪ______V£¬ÄÚ×èΪ______¦¸¡£
¢ÛÍê³ÉʵÑéºó£¬¸ÃÑо¿ÐÔѧϰС×éµÄͬѧ³õ²½µÃ³öÁËË®¹û×÷Ϊ µç³Ø²» ʵÓõÄÎïÀíÔ­ÒòÊÇ______¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨6·Ö£©ÔÚ¡°Ñо¿ÔȱäËÙÖ±ÏßÔ˶¯¡±µÄʵÑéÖУ¬°´ÕÕʵÑé½øÐеÄÏȺó˳Ðò£¬½«ÏÂÊö²½ÖèµÄ´úºÅÌîÔÚºáÏßÉÏ¡¡¡¡¡¡¡¡.

A£®°Ñ´©¹ý´òµã¼ÆʱÆ÷µÄÖ½´ø¹Ì¶¨ÔÚС³µºóÃæ
B£®°Ñ´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚ³¤Ä¾°åµÄûÓл¬ÂÖµÄÒ»¶Ë£¬²¢Á¬ºÃµç·
C£®»»ÉÏеÄÖ½´ø£¬ÔÙÖØ×öÁ½´Î
D£®°Ñ³¤Ä¾°åƽ·ÅÔÚʵÑé×ÀÉÏ£¬²¢Ê¹»¬ÂÖÉì³ö×ÀÃæ
E.ʹС³µÍ£ÔÚ¿¿½ü´òµã¼ÆʱÆ÷´¦£¬½ÓͨµçÔ´£¬·Å¿ªÐ¡³µ£¬ÈÃС³µÔ˶¯
F.°ÑÒ»ÌõϸÉþË©ÔÚС³µÉÏ£¬Ï¸Éþ¿ç¹ý¶¨»¬ÂÖ£¬Ï±ߵõןÏÊʵĹ³Âë
G.¶Ï¿ªµçÔ´£¬È¡³öÖ½´ø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨9·Ö£©ÊµÑéÊÒ¸ø³öÏÂÁÐÆ÷²Ä£¬ÇëÄãÍê³ÉÒ»½Ú¸Éµç³Øµç¶¯ÊƺÍÄÚ×èµÄ²â¶¨¡£

A£®Ò»½Ú´ý²â¸Éµç³Ø(ÄÚ×è´óÓÚ2 ¦¸)
B£®µçÁ÷±í£¬Á¿³Ì0.6 A£¬ÄÚ×è5 ¦¸×óÓÒ
C£®µçÁ÷±í£¬Á¿³Ì1.5 A£¬ÄÚ×è0.5 ¦¸×óÓÒ
D£®µçѹ±í£¬Á¿³Ì2.0 V£¬ÄÚ×è5 k¦¸×óÓÒ
E£®»¬¶¯±ä×èÆ÷£¬×î´ó×èֵΪ100 ¦¸
F£®»¬¶¯±ä×èÆ÷£¬×î´ó×èֵΪ10 ¦¸
G£®µç¼üÒ»Ö»¡¢µ¼ÏßÈô¸É
£¨1£©¸ÃʵÑéËùÐèÆ÷²Ä                         (ÌîÆ÷²ÄÇ°Ãæ×Öĸ)£»
£¨2£©ÇëÔÚÐéÏß¿òÖл­³ö¸ÃʵÑéµç·ͼ£»
£¨3£©Ï±íÁгöÁËij×éͬѧ²âµÃµÄʵÑéÊý¾Ý£¬¸ù¾Ý±íÖÐÊý¾Ý£¬×÷³öU£­IͼÏß(ÏÂͼ)£¬²¢¸ù¾ÝͼÏß¼ÆËã±»²âµç³ØµÄµç¶¯ÊÆΪ                  V£¬ÄÚ×èΪ                ¦¸¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ijͬѧÔÚ¡°Ñé֤ţ¶ÙµÚ¶þ¶¨ÂÉ¡±µÄʵÑéÖÐ,´ò³öµÄÖ½´øÈçÏÂͼ£¨a£©Ëùʾ,ÏàÁÚ¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôÊÇT¡£

(1)²â³öÖ½´ø¸÷ÏàÁÚ¼ÆÊýµãÖ®¼äµÄ¾àÀë·Ö±ðΪS1¡¢S2¡¢S3¡¢S4£¬ÎªÊ¹ÊµÑé½á¹û¸ü¾«È·Ò»Ð©,¸Ãͬѧ¼ÆËã¼ÓËٶȵĹ«Ê½Ó¦Îªa =                ¡£
(2)ÁíÓÐλͬѧͨ¹ý²âÁ¿,×÷³öa-FͼÏó,Èçͼ(b)Ëùʾ,ÊÔ·ÖÎö£ºÍ¼Ïó²»Í¨¹ýÔ­µãµÄÔ­ÒòÊÇ£º
                    £¬Í¼ÏóÉϲ¿ÍäÇúµÄÔ­ÒòÊÇ£º                                  ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

£¨15·Ö£©Ä³Í¬Ñ§ÔÚ¡°Óôòµã¼ÆʱÆ÷²âËٶȡ±µÄʵÑéÖУ¬Óôòµã¼ÆʱÆ÷¼Ç¼Á˱»Ð¡³µÍ϶¯µÄÖ½´øµÄÔ˶¯Çé¿ö£¬ÔÚÖ½´øÉÏÈ·¶¨³öA¡¢B¡¢C¡¢D¡¢E¡¢F¡¢G¹²7¸ö¼ÆÊýµã¡£ÆäÏàÁÚµã¼äµÄ¾àÀëÈçͼËùʾ£¬Ã¿Á½¸öÏàÁڵIJâÁ¿µãÖ®¼äµÄʱ¼ä¼ä¸ôΪ0.10s¡£
(1)¡¢£¨10·Ö£©ÊÔ¸ù¾ÝÖ½´øÉϸ÷¸ö¼ÆÊýµã¼äµÄ¾àÀ룬ÿ¸ö0.10s²âÒ»´ÎËٶȣ¬¼ÆËã³ö´òÏÂB¡¢C¡¢D¡¢E¡¢FÎå¸öµãʱС³µµÄ˲ʱËٶȣ¬²¢½«¸÷¸öËÙ¶ÈÖµÌîÈëϱí(ÒªÇó±£Áô3λÓÐЧÊý)

(2)¡¢£¨5·Ö£©½«B¡¢C¡¢D¡¢E¡¢F¸÷¸öʱ¿ÌµÄ˲ʱËٶȱêÔÚÖ±½Ç×ø±êϵÖУ¬²¢»­³öС³µµÄ˲ʱËÙ¶ÈËæʱ¼ä±ä»¯µÄ¹ØϵͼÏß¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ÈËÆï×ÔÐгµÓɾ²µ½¶¯£¬³ýÁËÒªÔö¼ÓÈ˺ͳµµÄ¶¯ÄÜÒÔÍ⣬»¹Òª¿Ë·þ¿ÕÆø¼°ÆäËû×èÁ¦×ö¹¦¡£ÎªÁ˲âÁ¿ÈËÆï×ÔÐгµµÄ¹¦ÂÊ£¬Ä³»î¶¯Ð¡×éÔÚ²Ù³¡µÄÖ±µÀÉϽøÐÐÁËÈçÏÂʵÑ飺ÔÚÀë³ö·¢Ïß5m¡¢10m¡¢20m¡¢30m¡­¡­70mµÄµØ·½·Ö±ð»®ÉÏ8Ìõ¼ÆʱÏߣ¬Ã¿Ìõ¼ÆʱÏ߸½½üÕ¾¼¸¸öѧÉú£¬ÊÖ³ÖÃë±í£¬Ìýµ½·¢ÁîÔ±µÄÐźźó£¬ÊܲâÕßÈ«Á¦Æï³µÓɳö·¢ÏßÆô¶¯£¬Í¬Ê±È«ÌåѧÉú¶¼¿ªÊ¼¼Æʱ£¬×ÔÐгµÃ¿µ½´ïÒ»Ìõ¼ÆʱÏߣ¬Õ¾ÔڸüÆʱÏßÉϵļ¸¸öѧÉú¾ÍÍ£Ö¹¼Æʱ£¬¼ÇÏÂ×ÔÐгµ´Ó³ö·¢Ïßµ½¸ÃÌõ¼ÆʱÏßµÄʱ¼ä¡£ÊµÑéÊý¾Ý¼Ç¼ÈçÏ£¨Ã¿¸ö¼ÆʱµãµÄʱ¼ä¶¼È¡Õ⼸¸öͬѧ¼ÆʱµÄƽ¾ùÖµ£©£º

£¨1£©ÒÔ×ÝÖá´ú±í×ÔÐгµÔ˶¯µÄ¾àÀës£¬ºáÖá´ú±íÔ˶¯µÄʱ¼ät£¬ÊÔ×÷³ös-tͼ¡£

£¨2£©¸ù¾Ý¢Å×÷³öµÄs-tͼ֪£¬×ÔÐгµÔÚÿһ·¶ÎÄÚµÄËٶȱ仯²»ÊǺܴó£¬Òò´Ë¿ÉÒÔÓÃijһ¶ÎµÄƽ¾ùËٶȴúÌæ¸Ã¶ÎµÄËٶȡ£Çë¼ÆËã³öÉÏÊö±í¸ñÖпÕȱµÄ¢Ù¡¢¢Ú´¦µÄÊý¾Ý£º¢Ù    m/s£»¢Ú    m/s£¨±£ÁôÈýλÓÐЧÊý×Ö£©¡£
£¨3£©±¾´ÎʵÑéÖУ¬ÉèÔ˶¯¹ý³ÌÖÐѧÉúºÍ×ÔÐгµËùÊÜ×èÁ¦ÓëÆäËٶȴóС³ÉÕý±È£¬Æä±ÈÀýϵÊýΪ15N¡¤s/m£¬ÔòÔÚ20m¡«30m·¶ÎµÄƽ¾ù×èÁ¦f1Óë30m¡«40m·¶ÎµÄƽ¾ù×èÁ¦f2Ö®±Èf1£ºf2=      £»ÈôÕû¸ö¹ý³ÌÖиÃͬѧÆï³µµÄ¹¦ÂÊP±£³Ö²»±ä£¬ÔòP=     W¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÊµÑéÌâ

ÔÚ̽¾¿ÇóºÏÁ¦µÄ·½·¨Ê±£¬ÏȽ«ÏðƤÌõµÄÒ»¶Ë¹Ì¶¨ÔÚˮƽľ°åÉÏ£¬ÁíÒ»¶ËϵÉÏ´øÓÐÉþÌ×µÄÁ½¸ùϸÉþ£®ÊµÑéʱ£¬ÐèÒªÁ½´ÎÀ­ÉìÏðƤÌõ£¬Ò»´ÎÊÇͨ¹ýÁ½Ï¸ÉþÓÃÁ½¸öµ¯»É³Ó»¥³É½Ç¶ÈµØÀ­ÏðƤÌõ£¬ÁíÒ»´ÎÊÇÓÃÒ»¸öµ¯»É³Óͨ¹ýϸÉþÀ­ÏðƤÌõ£®
(1)ʵÑé¶ÔÁ½´ÎÀ­ÉìÏðƤÌõµÄÒªÇóÖУ¬ÏÂÁÐÄÄЩ˵·¨ÊÇÕýÈ·µÄ________(Ìî×Öĸ´úºÅ)£®
A£®½«ÏðƤÌõÀ­ÉìÏàͬ³¤¶È¼´¿É
B£®½«ÏðƤÌõÑØÏàͬ·½ÏòÀ­µ½Ïàͬ³¤¶È
C£®½«µ¯»É³Ó¶¼À­Éìµ½Ïàͬ¿Ì¶È
D£®½«ÏðƤÌõºÍÉþµÄ½áµãÀ­µ½ÏàͬλÖÃ
(2)ͬѧÃÇÔÚ²Ù×÷¹ý³ÌÖÐÓÐÈçÏÂÒéÂÛ£¬ÆäÖжԼõСʵÑéÎó²îÓÐÒæµÄ˵·¨ÊÇ_____(Ìî×Öĸ´úºÅ)£®
A£®Á½Ï¸Éþ±ØÐëµÈ³¤     B£®µ¯»É³Ó¡¢Ï¸Éþ¡¢ÏðƤÌõ¶¼Ó¦Óëľ°åƽÐÐ
C£®ÓÃÁ½µ¯»É³ÓͬʱÀ­Ï¸ÉþʱÁ½µ¯»É³ÓʾÊýÖ®²îÓ¦¾¡¿ÉÄÜ´ó
D£®À­ÏðƤÌõµÄϸÉþÒª³¤Ð©£¬±ê¼ÇͬһϸÉþ·½ÏòµÄÁ½µãҪԶЩ

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸